This article discusses what constitutes wrongful interference under Arizona law. The appellant, George Edwards, sued the Anaconda Company for intentional interference with prospective business advantage and also for breach of contract.Tortious interference is a common law doctrine where an uninvited person wrongfully intrudes on another person's economic relationship and causes harm. Such primary torts or violations may include fraud, breach of fiduciary duty, and intentional interference with a business relationship or expectancy. COMMENT: Defining Improper Conduct. In the Wagenseller case, the supreme court ruled that improper conduct was an element of interference with contract cases. Wrongful or tortious interference with contracts happens when a thirdparty intentionally causes a contracting party to commit a breach of contract. If a person improperly interferes with another person's contract, then the wrongdoer will have to pay money damages to the injured person (i.e. In What Ways Does the Law Regulate Tortious Interference? Vizant filed a suit in a federal district court against her, alleging wrongful interference with a business relationship.